Mattapan Sold Fewer Homes This Summer, andthe Rest of the Story Went Quiet
Something unusual happened with the Mattapan housing numbers this summer. Not in the sales themselves, but in how little most of them could tell us.
Mattapan sold 19 homes in the twelve weeks ending August 30, 2026. A year earlier, over the same stretch, the count was 25. That is a drop of about 24%.
Ten new listings came onto the market in Mattapan in the same window. Twelve homes sat on the active market there at any given time. Those three counts, sales, new listings, and inventory, are the whole reliable read this quarter: how many changed hands, how many arrived, how many were waiting.
homes sold in 02126, twelve weeks ending August 30, 2026
Twelve weeks ending August 30, 2026
Everything past that gets thin fast. The sales that closed in Mattapan this period were too few to support a trustworthy median price, a days-on-market figure, or a sale-to-list comparison. The same held for the pace of absorption, the seasonal comparison against the prior year, and the breakdowns by feature, basement, garage, air conditioning, waterfront. Every one of those measures needs a bigger pool of closed sales behind it before a number built from it means what it looks like it means, and Mattapan's pool this quarter did not clear that bar. So the questions a homeowner actually asks, what did homes sell for, how fast, how much negotiating room did buyers get, do not have an honest answer in Mattapan's data this period. Not because nothing happened, but because not enough happened at a scale the numbers can stand behind.
That is not a small caveat tacked onto the end of a report. This period, it is close to the whole report.
Every one of the usual angles agreed on that point, which is itself worth noticing. The price comparison against a year ago came up short of what the sample requires. The days-on-market trend came up short too. So did the sale-to-list trend, the absorption pace, and the seasonal read. All for the same underlying reason: not enough closed sales in Mattapan this quarter to divide into groups and still say anything reliable about either group.
What that looks like on the ground is a market where 19 sales is genuinely a small number to draw conclusions from. A single unusual sale, or a single stretch where a few listings sat longer than normal, can swing a median or a pace figure hard in a pool that size. The counts that hold up, sales, new listings, inventory, are the ones that don't bend under a small sample, because a count is just a count. Everything built on top of them needs more data points behind it first.
If you own in Mattapan, the honest takeaway this quarter is that the volume of activity slowed compared with the same period last year, and the market was too quiet to say much more than that with confidence. If you are thinking about listing there, that thinness cuts both ways: fewer closed comparisons for a buyer's agent to point to, but also fewer for yours to lean on. If you are watching from outside, the number worth remembering is Mattapan's 19 sales against 25 a year earlier. That is real, it is measured, and it says the pace of transactions eased year over year, without pretending to say why.
What to watch next period is simple: whether Mattapan's sale count climbs back toward the mid-20s. If it does, the price and pace figures that went quiet this quarter should come back into view. If it stays near 19, expect another period where the honest report is mostly about what the data could not yet support.
Market numbers are believed accurate but not guaranteed; verify anything important independently. If a number isn't solid, it's left out instead of guessed.
